the largest classification groups of living things

ancient bacteria, true bacteria, protists, fungi, plants, animals

it helps them to study and compare living things in an organized way.

vertebrates and invertebrates

animals with backbones

fish, amphibians, reptiles, birds, and mammals

fish, frog, snake, bird, monkey

animals without a backbone

jellyfish, worms, insects, spiders, lobsters, star fish, crabs, clams

invertebrates

1. arthropods (insects, spiders, crabs)

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a physical feature or behavior that helps an animal

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food, water, oxygen, and shelter

behavior that are inherited (born with or know how to do)

a. animals observe their parents to learn and train

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instinct behaviors are inherited ( born with) and learned behaviors are taught by the parents.

birds have feathers to fly; polar bears have thick fur; crab eating seals have teeth that can sift krill.

parents or other animals teach one another

1 .blending in with surroundings - animals trick enemies with colors/camouflage to hide from their predators

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traveling in search of food or a place to reproduce

a state of inactivity that occurs in some animals when outside temperatures are cold

1. feathers: to fly, keep them warm

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1. mammals - fur and fat to keep them warm and sharp claws to get food

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covered with scales

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covered with smooth skin

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covered with scaly skin

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covered with feathers

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have fur

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soft bodied animal inside a hard shell

type of invertebrate covered by a hard lightweight outer skin or exoskeleton

a. Migration to travel for food or a place to reproduce

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